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Transcription and Regulation

Transcription and Regulation
Transcription factors are

proteins which bind to DNA and regulate transcription
CATT boxes
promoters
TATA boxes

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Transcription and Regulation
In both eukaryotes and prokaryotes, a promoter region that is rich in AT bases is called as

Shine Dalgarno region
CATT
SV40 region
TATA box

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Transcription and Regulation
Transcription begins

upstream from the start codon
downstream from the start codon
none of these
at the start codon

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Transcription and Regulation
Transcription by E. coli polymerase occurs in

four phases known as initiation, propagation, elongation and termination
two phases known as initiation and termination
None of these
three phases known as initiation, elongation and termination

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Transcription and Regulation
Immediately after transcription

a methylated guanine cap is added to the 31 end of the transcript
a methylated guanine cap is added to the 51 end of the transcript
a poly adenylation signal is added
both (a) and (b)

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Transcription and Regulation
The nucleons of eukaryotic cell has

RNA polymerase I
all of these
RNA polymerase III
RNA polymerase II

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